Polyphosphates are the most universally used chemical agents in anticorrosion treatment of drinking water supply systems, as their addition is generally permitted by law because they lack toxicity at the recommended doses. In this work, we describe an outbreak of Legionellosis in a hotel in Lanzarote in 1993 where the water system had been treated with very high doses of polyphosphates.

Legionella, water systems, polyphosphates
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© IWA Publishing 1997
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